Home / 2,849.70-4,281.36-1,863.33

Finding the Fourth Proportional to 2,849.70, 4,281.36 and 1,863.33

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Solution

The fourth proportional to 2,849.70, 4,281.36 and 1,863.33 is: 2,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.70 : 4,281.36 = 1,863.33 : x
  2. Step 2: Convert to fraction form
    2,849.70/4,281.36 = 1,863.33/x
  3. Step 3: Cross multiply
    2,849.70x = 4,281.36 × 1,863.33
  4. Step 4: Simplify right side
    2,849.70x = 7,977,586.53
  5. Step 5: Solve for x
    x = 7,977,586.53/2,849.70
  6. Step 6: Final answer
    x = 2,799.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.